The 1964–65 Liga Gimel season saw 162 clubs competing in 14 regional divisions for promotion to Liga Bet.
Hapoel Hatzor, Hapoel Kafr Yasif, Maccabi Kiryat Yam, Hapoel Sde Nahum, Beitar Tirat HaCarmel, Hapoel Binyamina, Hapoel HaSharon HaTzfoni, Hapoel Sha'ariya, Elite Ramat Gan, Beitar Holon, Maccabi Kiryat Malakhi, Hapoel Beit Shemesh, Beitar Ashkelon and Hapoel Yeruham won their regional divisions and qualified for the Promotion play-offs.
At the Promotion play-offs, Hapoel Sde Nahum, Hapoel Binyamina, Maccabi Kiryat Yam and Beitar Tirat HaCarmel were promoted to Liga Bet from the North play-offs, whilst Hapoel Sha'ariya, Hapoel Beit Shemesh, Elite Ramat Gan and Beitar Holon were promoted to Liga Bet from the South play-offs.